Clement took to Twitter to reveal his less than favourable first impression of London on Monday morning as his coach struggled to locate its final destination, amid chaotic scenes in the captial as Games Lanes were activated and Heathrow Airport was expected to handle a record-breaking 236,955 passengers.

The American, among hundreds of athletes from across the world arriving in the capital this morning ahead of the Games, claimed the bus had been lost for four hours.

<noframe>Twitter: Kerron Clement - Um, so we've been lost on the road for 4hrs. Not a good first impression London.</noframe>

<noframe>Twitter: Kerron Clement - Athletes are sleepy, hungry and need to pee. Could we get to the Olympic Village please.</noframe>

Clement wrote on Twitter: "Um, so we've been lost on the road for 4hrs. Not a good first impression London.